Home / 65,485.04-98,256.60-34,312.88

Finding the Fourth Proportional to 65,485.04, 98,256.60 and 34,312.88

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Solution

The fourth proportional to 65,485.04, 98,256.60 and 34,312.88 is: 51,484.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,485.04 : 98,256.60 = 34,312.88 : x
  2. Step 2: Convert to fraction form
    65,485.04/98,256.60 = 34,312.88/x
  3. Step 3: Cross multiply
    65,485.04x = 98,256.60 × 34,312.88
  4. Step 4: Simplify right side
    65,485.04x = 3,371,466,925.01
  5. Step 5: Solve for x
    x = 3,371,466,925.01/65,485.04
  6. Step 6: Final answer
    x = 51,484.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.